TASK 72-32-93-300-006 Intermediate Structure Front Fairing - Replace The Dimpled Washer, Repair-006 (VRS1448)

DMC:V2500-A0-72-32-9302-00A-920A-C|Issue No:001.00|Issue Date:2013-11-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 72-32-93-300-006 Intermediate Structure Front Fairing - Replace The Dimpled Washer, Repair-006 (VRS1448)

Effectivity

FIG/ITEM

PART NO.

01-200

5A0836

01-200

5A1444

01-200

5A1830

Material of component

PART IDENT

SYMBOL

MATERIAL

Front fairing

CFRP and Aluminum alloy

General

Price and availability - none

The practices and processes referred to in the procedure by the TASK number are in the SPM

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
SpatulaLOCALSpatula

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-019 WATERPROOF SILICON CARBIDELOCALCoMat 05-019
CoMat 05-020 WATERPROOF SILICON CARBIDELOCALCoMat 05-020
CoMat 05-016 GARNET PAPER, 80-GRITLOCALCoMat 05-016
CoMat 05-017 GARNET PAPER, 60 GRITLOCALCoMat 05-017
CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUMLOCALCoMat 01-275
CoMat 08-109 RESIN, EPOXY ADHESIVELOCALCoMat 08-109
CoMat 08-110 HARDENER, EPOXY ADHESIVELOCALCoMat 08-110

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Washer, dimpledNAS1169C416LA/R

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-93-350-058 Remove the Dimple Washer from Front Fairing Assembly

    1. Refer to Figure.

      2. Remove the dimple washer if necessary.

      1. Use non metallic spatula.

      3. Remove all remaining adhesive. Do not cause damage to the parent material.

    2. SUBTASK 72-32-93-350-059 Apply the Surface Protection to the Front Fairing Assembly

    1. Refer to Figure.

      2. Apply chromate conversion coating to the repair surfaces as necessary.

    3. SUBTASK 72-32-93-360-060 Prepare the Mating Surface for the Two Part Epoxy Paste Adhesive

    1. Refer to Figure.

      2. Remove the grease from the mating surfaces of the front fairing assembly and the dimple washers with cold liquid.

      1. Refer to the SPM TASK 70-36-02-360-501.

      3. Hand clean each of the mating surface.

    4. NOTE

      A water-break test is not necessary.

      Do Step again.

    4. SUBTASK 72-32-93-360-061 Make-up of the Two Part Epoxy Paste Adhesive

      1. NOTE

        The pot life of 100 grams of resin/hardener mixture is about 1 hour at room temperature.

        Fully mix the two parts until homogeneous.

    5. SUBTASK 72-32-93-360-062 Apply and Cure the Two Part Epoxy Paste Adhesive

    1. Refer to Figure.

      2. CAUTION

        DO NOT EAT OR SMOKE AT LOCATIONS WHERE THESE MATERIALS ARE USED.

        CAUTION

        AFTER PREPARATION THE MATING SURFACES MUST BE FULLY CLEANED AND MUST NOT BE TOUCHED BY HAND, TO PREVENT CONTAMINATION.

        CAUTION

        BONDING MUST BE DONE IMMEDIATELY AFTER THE SURFACE PREPARATION.

        Apply the mixture to the mating surfaces of the front fairing assembly and dimpled washers.

      1. Use a spatula.

      3. Install the dimpled washers to the front fairing assembly.

        1. Apply sufficient pressure to ensure good contact and to form adhesive at all edges.

        1. Make sure that the adhesive can be seen around the sealed surfaces.

    4. Cure the adhesive at 68 deg F (20 deg C) for 16 hours, or at 248 deg F (120 deg C) for 10 minutes.

    6. SUBTASK 72-32-93-220-004 Examine the Repaired Areas of the Front Fairing Assembly

    1. Refer to Figure.

    2. Dimensionally examine the position of the repaired washer.

    3. Visually examine the gapping and filling.

    7. Figure: Replacement of the dimpled washer

    Replacement of the dimpled washer

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:00BB6
Supply Number:CoMat 01-275
Type:sp01
Supply Short Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Supply Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Specification Groups:
Doc NumberType
BONDERITE M-CR-1200S AEROJCR-047 (JAEC REF)
JCR-048 (JAEC REF)SPMC 206 (PW REF)
Suppliers:
ManufacturerRemarks
00BB6
71410
Manufacturer Code:0KHE3
Supply Number:CoMat 05-016
Type:sp01
Supply Short Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Supply Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 80 GRADE 0 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
LOCAL
C4347
K0993
K2F42
K6835
V571V
Manufacturer Code:0KHE3
Supply Number:CoMat 05-017
Type:sp01
Supply Short Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Supply Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 60 GRADE 1/2 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
C4347
LOCAL
K0993
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-019
Type:sp01
Supply Short Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/31 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 400 (ANSI B74.18)
JCR-184 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-020
Type:sp01
Supply Short Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/33 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 320 (ANSI B74.18)
JCR-027 (JAEC REF)
JCR-186 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:B4647
Supply Number:CoMat 08-109
Type:sp01
Supply Short Name:CoMat 08-109 RESIN, EPOXY ADHESIVE
Supply Name:CoMat 08-109 RESIN, EPOXY ADHESIVE
Specification Groups:
Doc NumberType
ARALDITE AW 134
Suppliers:
ManufacturerRemarks
B4647
K1007
Manufacturer Code:B4647
Supply Number:CoMat 08-110
Type:sp01
Supply Short Name:CoMat 08-110 HARDENER, EPOXY ADHESIVE
Supply Name:CoMat 08-110 HARDENER, EPOXY ADHESIVE
Specification Groups:
Doc NumberType
HY 994
Suppliers:
ManufacturerRemarks
B4647
K1007
Manufacturer Code:LOCAL
Tool Number:Spatula
Tool Name:Spatula